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SF MARATHON 2026

Jordan Mafnas

Bib: 5727•M•Age: 34

Suisun City, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Gender (Male)
#0 / 5052
Division (M30-34)
#0 / 1040
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
21:53
Rank: #5783
Start → 2M
21:53 | 10:56/mi
4M
44:20
Rank: #5816 (-33)
2M → 4M
22:27 | 11:14/mi
6M
1:06:48
Rank: #5688 (+128)
4M → 6M
22:28 | 11:14/mi
8M
1:29:16
Rank: #5772 (-84)
6M → 8M
22:28 | 11:14/mi
9.6M
1:48:06
Rank: #5660 (+112)
8M → 9.6M
18:50 | 11:46/mi
10M
1:52:56
Rank: #5850 (-190)
9.6M → 10M
4:50 | 12:07/mi
10.5M
1:59:00
Rank: #5637 (+213)
10M → 10.5M
6:04 | 12:07/mi
12M
2:16:49
Rank: #5692 (-55)
10.5M → 12M
17:49 | 11:53/mi
14M
2:42:35
Rank: #5715 (-23)
12M → 14M
25:46 | 12:53/mi
16M
3:11:52
Rank: #6156 (-441)
14M → 16M
29:17 | 14:38/mi
18M
3:41:08
Rank: #6215 (-59)
16M → 18M
29:16 | 14:38/mi
20M
4:12:45
Rank: #6371 (-156)
18M → 20M
31:37 | 15:49/mi
22M
4:44:22
Rank: #6509 (-138)
20M → 22M
31:37 | 15:49/mi
24M
5:15:59
Rank: #6545 (-36)
22M → 24M
31:37 | 15:49/mi
Finish· 26.22 mi
5:49:48
Rank: #6566 (-21)
24M → Finish
33:49 | 15:14/mi

The Course

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Half Splits

1st Half· via 14MFaster
Distance14.00 mi
Time2:42:35
Pace11:37 /mi
2nd Half
Distance12.22 mi
Time3:07:13
Pace15:19 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:55:5421:5310:5621:53
10:56
-
4M
4.00 mi06:18:2144:2011:0522:27
11:14
+0:18
6M
6.00 mi06:40:491:06:4811:0822:28
11:14
0:00
8M
8.00 mi07:03:171:29:1611:0922:28
11:14
0:00
9.6M
9.60 mi07:22:071:48:0611:1618:50
11:46
+0:32
10M
10.00 mi07:26:571:52:5611:184:50
12:07
+0:21
10.5M
10.50 mi07:33:011:59:0011:206:04
12:07
0:00
12M
12.00 mi07:50:502:16:4911:2417:49
11:53
-0:14
14M
14.00 mi08:16:362:42:3511:3725:46
12:53
+1:00
16M
16.00 mi08:45:533:11:5211:5929:17
14:38
+1:45
18M
18.00 mi09:15:093:41:0812:1729:16
14:38
0:00
20M
20.00 mi09:46:464:12:4512:3831:37
15:49
+1:11
22M
22.00 mi10:18:234:44:2212:5631:37
15:49
0:00
24M
24.00 mi10:50:005:15:5913:1031:37
15:49
0:00
Finish
26.22 mi11:23:495:49:4813:2133:49
15:14
-0:35

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:56 /mi

Average Pace

13:21 /mi

Slowest Pace

15:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:53

6% of race

Time at Steady Pace

2:20:42

40% of race

Time at Slower Pace

3:07:13

54% of race

Average Pace: 13:20 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi05:55:5421:5310:5621:53
10:56
#5783
4M
4.00 mi06:18:2144:2011:0522:27
11:14
#5816
6M
6.00 mi06:40:491:06:4811:0822:28
11:14
#5688
8M
8.00 mi07:03:171:29:1611:0922:28
11:14
#5772
9.6M
9.60 mi07:22:071:48:0611:1618:50
11:46
#5660
10M
10.00 mi07:26:571:52:5611:184:50
12:07
#5850
10.5M
10.50 mi07:33:011:59:0011:206:04
12:07
#5637
12M
12.00 mi07:50:502:16:4911:2417:49
11:53
#5692
14M
14.00 mi08:16:362:42:3511:3725:46
12:53
#5715
16M
16.00 mi08:45:533:11:5211:5929:17
14:38
#6156
18M
18.00 mi09:15:093:41:0812:1729:16
14:38
#6215
20M
20.00 mi09:46:464:12:4512:3831:37
15:49
#6371
22M
22.00 mi10:18:234:44:2212:5631:37
15:49
#6509
24M
24.00 mi10:50:005:15:5913:1031:37
15:49
#6545
Finish
26.22 mi11:23:495:49:4813:2133:49
15:14
#6566
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 76%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:54

Segment Time

12:07/mi

Pace

0.90 mi

Distance

Overall

5470

Men

4034

Division

839

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi578342688855934(Top 83%)4350(Top 86%)899(Top 86%)
4M4.00 mi2.00 mi5816-334287-198855876(Top 82%)4314(Top 85%)890(Top 86%)
6M6.00 mi2.00 mi5688+1284206+81867+185637(Top 79%)4167(Top 82%)870(Top 84%)
8M8.00 mi2.00 mi5772-844262-56876-96053(Top 84%)4448(Top 88%)919(Top 88%)
9.6M9.60 mi1.60 mi5660+1124194+68865+115323(Top 74%)3966(Top 79%)827(Top 80%)
10M10.00 mi0.40 mi5850-1904302-108893-287222(Top 101%)5095(Top 101%)1036(Top 100%)
10.5M10.50 mi0.50 mi5637+2134182+120863+302419(Top 34%)2017(Top 40%)418(Top 40%)
12M12.00 mi1.50 mi5692-554201-19867-45934(Top 83%)4350(Top 86%)899(Top 86%)
14M14.00 mi2.00 mi5715-234205-4868-15888(Top 82%)4304(Top 85%)886(Top 85%)
16M16.00 mi2.00 mi6156-4414474-269926-587043(Top 98%)4968(Top 98%)1016(Top 98%)
18M18.00 mi2.00 mi6215-594503-29927-16329(Top 88%)4506(Top 89%)905(Top 87%)
20M20.00 mi2.00 mi6371-1564588-85939-126896(Top 96%)4868(Top 96%)1006(Top 97%)
22M22.00 mi2.00 mi6509-1384664-76957-186953(Top 97%)4909(Top 97%)1004(Top 97%)
24M24.00 mi2.00 mi6545-364677-13959-26559(Top 92%)4632(Top 92%)956(Top 92%)
Finish26.22 mi2.22 mi6566-214687-10966-76565(Top 92%)4641(Top 92%)949(Top 91%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 83%
×1human
+6ft-11ft

Overall

5934

Males

4350

M30-34

904

2M→4M

2.0 - 4.0 mi

Top 82%
×4stories
+75ft-70ft

Overall

5876

Males

4314

M30-34

895

4M→6M

4.0 - 6.0 mi

Top 79%
×5stories
+71ft-18ft

Overall

5637

Males

4167

M30-34

875

6M→8M

6.0 - 8.0 mi

Top 84%
×9stories
+106ft-21ft

Overall

6053

Males

4448

M30-34

925

8M→9.6M

8.0 - 9.6 mi

Top 74%
×13stories
+117ft-177ft

Overall

5323

Males

3966

M30-34

830

9.6M→10M

9.6 - 10.0 mi

Top 101%
×1story
+17ft-12ft

Overall

7222

Males

5095

M30-34

1044

10M→10.5M

10.0 - 10.5 mi

Top 34%
×9stories
+0ft-102ft

Overall

2419

Males

2017

M30-34

421

10.5M→12M

10.5 - 12.0 mi

Top 83%
×18stories
+304ft-125ft

Overall

5934

Males

4350

M30-34

904

12M→14M

12.0 - 14.0 mi

Top 82%
×9stories
+99ft-125ft

Overall

5888

Males

4304

M30-34

889

14M→16M

14.0 - 16.0 mi

Top 98%
×9stories
+124ft-78ft

Overall

7043

Males

4968

M30-34

1021

16M→18M

16.0 - 18.0 mi

Top 88%
×8stories
+106ft-45ft

Overall

6329

Males

4506

M30-34

907

18M→20M

18.0 - 20.0 mi

Top 96%
×3stories
+52ft-26ft

Overall

6896

Males

4868

M30-34

1008

20M→22M

20.0 - 22.0 mi

Top 97%
×21stories
+17ft-266ft

Overall

6953

Males

4909

M30-34

1006

22M→24M

22.0 - 24.0 mi

Top 92%
×3stories
+70ft-85ft

Overall

6559

Males

4632

M30-34

957

24M→Finish

24.0 - 26.2 mi

Top 92%
~flat
+2ft-2ft

Overall

6565

Males

4641

M30-34

949

Passing Analysis

Category:
Athletes Passed
962*
Passed By
1745
Net Change
-783
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5783
2M → 4M118*151-33#5783#5816
4M → 6M18860+128#5816#5688
6M → 8M47*131-84#5688#5772
8M → 9.6M136*24+112#5772#5660
9.6M → 10M2192-190#5660#5850
10M → 10.5M2141+213#5850#5637
10.5M → 12M49104-55#5637#5692
12M → 14M67*90-23#5692#5715
14M → 16M9*450-441#5715#6156
16M → 18M48*107-59#6156#6215
18M → 20M18*174-156#6215#6371
20M → 22M9*147-138#6371#6509
22M → 24M24*60-36#6509#6545
24M → Finish33*54-21#6545#6566
TOTALS962*1745-783

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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